TacT Audio M/S - 2150 X Owner's Manual
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TacT Audio M/S - 2150 X Owner's Manual

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Owner's Manual
M/S - 2150 X
True Digital Amplifier

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Summary of Contents for TacT Audio M/S - 2150 X

  • Page 1 Owner’s Manual M/S - 2150 X True Digital Amplifier...
  • Page 2 Blank Page...
  • Page 3 The lightning with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of “Dangerous Voltage” within the product’s enclosure that maybe of sufficient magnitude to constitute a risk of electrical shock to a person. M/S-2150 X Tact Audio...

  • Page 4: Safety Instructions

    Important Safety Instructions Cleaning and Maintenance “Note” symbol 4 Tact Audio Read these instructions entirely before installing or operating this equipment. Keep these instructions. Heed all warnings. Do not use this equipment near water or allow it to become wet.

  • Page 5: Acknowledgments/Registration

    Tact Audio Corporation. TACT ® is a registered trade mark of Tact Audio Corporation. ® DYNAMIC ROOM CORRECTION is a registered trade mark of Tact Audio Corpo- ration.

  • Page 6: Table Of Contents

    6 Tact Audio Table of contents Safety instructions Acknowledgments/Registration Unpacking the M/S-2150 X Introduction Dynamic Room Cirrection M/S-2150 X Connections Front Panel Controls Remote Control Front Panel Display Main screen MAIN menu Saving Menu Settings DELAY menu LEVEL menu POL menu...

  • Page 7: Unpacking The M/S-2150 X

    Carefully remove the M/S-2150X and accessory kit from the carton and check for shipping damage. Contact both the shipper and TacT Audio immediately if the unit shows any sign of damage from rough handling. All TacT Audio equipment is carefully inspected before leaving our factory.

  • Page 8: Caution

    How does it work? Why hasn’t anybody thought of it before? Features: 8 Tact Audio Introduction Congratulations on your purchase of your M/S 2150X. You have now acquired the most advanced stereo amplifier ever developed! The digital input is taken to the central processor where it is reformatted into a pulse width modulated signal of extreme precision.

  • Page 9: Dynamic Room Correction

    SPL (dB) do not necessarily have the same perceived loudness. Phon is equal to SPL in decibels at 1000 Hz. For example, 80 phons means as loud as 80 dB, 1000 Hz tone. ® is new technology developed by Tact ® M/S-2150 X Tact Audio...
  • Page 10 10 Tact Audio Equal loudness curves represent the SPL that different frequencies need to have in order to be perceived as two tones of equal loudness. For example, a 200 Hz tone at SPL of 50 dB will have the same perceived loudness as a 1000 Hz tone at SPL of 40 dB.

  • Page 11: How Does It Work

    This new feature allows you to make small adjustment while you are listening to your favorite track and instantly here the changes you made. In this way without any interruption to the music you can make your system sound perfect down to the smallest details. Tact Audio...

  • Page 12: M/S-2150 X Connections

    Connections Digital input Analog input (optional ADC module) 12 Tact Audio M/S-2150 X Connections The M/S-2150 X amplifier has 5 digital inputs: - three RCA (S/PDIF) ( D1, D2, D3) - one AES/EBU (XLR) (D4) - one TosLink (S/PDIF) (D5)
  • Page 13 Use the INPUT port for communication with your Tact master controller or Personal Computer. Use the AUX port to connect to other TacT products. This port should always be connected to INPUT port of another device. - INPUT - AUX RS-232 Interface Ports M/S-2150 X Tact Audio...
  • Page 14 AC mains input Speaker output (normal operation) 14 Tact Audio The M/S-2150 X has a trigger “IN” and “OUT” to provide on and standby control from a trigger device and to pass the trigger signal to another device. Connect the M/S-2150 X to the AC mains wall socket.
  • Page 15 The most commonly used setup is biamped (two channels to each speaker: high and low frequency range). The following are two examples of making a biamped connection: Horizontal Biamping LEFT SPEAKER HIGH RIGHT SPEAKER HIGH M/S-2150 X RIGHT SPEAKER HIGH LEFT SPEAKER HIGH Tact Audio...
  • Page 16 Connections Vertical Biamping 16 Tact Audio LEFT SPEAKER CAUTION CAUTION HIGH RIGHT SPEAKER HIGH M/S-2150 X RIGHT SPEAKER HIGH LEFT SPEAKER HIGH...
  • Page 17 S-2150 X is set to implement a low-pass filter and drives the bass sec- tion. Digital signal (coax/SPDIF) usually CD player output. AMP-1 Digital signal (coax/SPDIF) AMP-2 Digital signal (coax/SPDIF) AMP-3 - ONLY PRESENT IN TRI-AMPED SETUP M/S-2150 X From RCS2.0S, RCS2.2X or TCS mkII *Optional RS232 RS232 RS232 Tact Audio...

  • Page 18: Front Panel Controls

    Analog input selector 18 Tact Audio Front Panel Controls The front panel controls on the 2150 X amplifier will allow you to control all of the amplifiers main features. All secondary options are controlled with menus using the remote control or the supplied software.

  • Page 19: Remote Control

    Remote Control Remote Control The remote control is used to access the front panel display controls and menus. M/S-2150 X Tact Audio...
  • Page 20 Remote Control 20 Tact Audio 1 - STANDBY The STANDBY button will turn the M/S 2150 X “ON” or it will place it into “STANDBY” mode. When in standby mode, the unit is placed into a low power “idiling” state. The standby button is also used to save changes that were made in the menu editing parameters.

  • Page 21: Front Panel Display

    MODE menu option is set to RCS or RCS- SUB mode. M/S-2150 X operates in room correction mode. CRO menu option is Fs= 44.1 disabled and RCS, MSR, DRC and DOPT menu options are enabled. DRC menu option is set to ON M/S-2150 X Tact Audio...

  • Page 22: Main Menu

    Main Menu MAIN menu Saving Menu Settings 22 Tact Audio The Main menu of the M/S 2150 X has three pages of general menu selections. Main Menu DELAY LEVEL POL InOut RCS MSR-> <- COMM ADDR ADC LOCK GAIN TRIG ->...

  • Page 23: Delay Menu

    Channel level can be changed in steps of 0.1 dB. Delay Menu LEFT RIGHT 0.00 1 - Left and Right channel delay time settings. Level Menu LEFT RIGHT 1 - Left and Right channel level settings. 0.00 msec M/S-2150 X Tact Audio...

  • Page 24: Pol Menu

    Main Menu Options POL menu (Polarity) InOut Menu 24 Tact Audio Use this menu to set channel polarity. Each channel can be set to + (non inverted) or - (inverted) polarity. Polarity Menu: LEFT 1 - Left channel polarity setting.

  • Page 25: Rcs Menu

    RCS 1: Corr #1 Corr #1 1 - Correction preset selections. 2 - Active correction preset. Menu : MEASUREMENT CH: D1 SELECT CH: D1 1 - Measurement input selection. 2 - Edit selected measurement input. M/S-2150 X Tact Audio...

  • Page 26: Cro Menu

    Main Menu Options CRO menu 26 Tact Audio The CRO menu is used to select CRO presets and edit their values. You can se- lect BUTT (Butterworth filter type) or BUTTSQ (Butterworth squared filter type) and edit HP, LP or BP filters. This menu is only accessible when CRO mode is se- lected (see MODE menu option).

  • Page 27: Pareq Menu

    ParEq parameters of the ParEq preset displayed in field 1. This option is disabled if BP is displayed in field 1. ParEq parameters of the ParEq preset displayed in field 1. This option is disabled if BP is displayed in field 1. M/S-2150 X LEFT RIGHT Tact Audio...
  • Page 28 ParEq Menu Options PAREQ Editing 28 Tact Audio To edit ParEq parameters in ParEq MENU screen select LEFT to edit left channel parameters or RIGHT to edit right channel parameters. Depending on the selection one of the following screens will be displayed:...

  • Page 29: Mode Menu

    1. For example if the speed is set to 1, the volume in- crease is slower than if set to 10. To turn the wheel off, set the speed setting to “--”. This setting is located one step below “1” the minimum speed. -6.0 dB threshold M/S-2150 X Tact Audio...

  • Page 30: Displ Menu

    (Display) REM menu (Remote) 30 Tact Audio The display menu controls the display Time-Out feature. This option is used to turn the front panel display ON or OFF. When this option is set to ON the front panel timer will turn the front display off if the front panel has not been accessed for more than 10 seconds.

  • Page 31: Comm Menu

    To permanently save device address in M/S-2150 X internal memory you must place M/S-2150 X into stand by mode. BAUD RATE: 57600 CONTROL: NORMAL 1 - Master/Normal control setting. (M2150 ONLY) Address Menu Current Address: ADDRESS: 1 - Address settings. 2 - Active address setting. M/S-2150 X Tact Audio...

  • Page 32: Adc Menu

    ADC menu (ADC module optional) LOCK menu 32 Tact Audio The M/S-2150 X may be equipped with an optional state of the are Analog to Digital Converter. To further enhance the converter’s performance, the system offers two selectable gain values for the ADC input stage. These two values may be assigned to each input independently.

  • Page 33: Gain Menu

    Use LEFT and RIGHT buttons to highlight desired option and then press - ENTER to select it. DIGITAL GAIN 12 dB 1 - Active gain setting. Menu TRIGGER INPUT: OFF 1 - Trigger input selections. 2 - Active trigger input setting. M/S-2150 X Tact Audio...

  • Page 34: Tact M/S-2150 X Software

    System requirements Software Installation Start The M/S-2150 X software 34 Tact Audio Tact M/S-2150 X Software The M/S-2150 X is more than just an amplifier. With powerful features such as level balancing, time alignment, and assignable electronic crossovers, you can custom- ize and build the amplifier system that you need, whether your system is biamped, triamped or more.

  • Page 35: Connect Your M/S2150 Xp To Your Computer

    The M/S 2150 X requires a valid COM port that is not being used by any other devices. NOTE: You will only have to select the communication port once. The next time you run the M/S 2150 X correction software it will remember your set- tings. Tact Audio...

  • Page 36: Specifications

    Specifications 36 Tact Audio Specifications Power (RMS. per channel) 8 ohm Power (RMS. per channel) 4 ohm Output current (peak, per channel) Signal-to-noise ratio ( A-weighted) Dynamic range (20 Hz - 20 kHz) THD+N (all power levels 20Hz-20kHz) Digital resolution...

  • Page 37: Tact M/S-2150 X Crossover Package

    Crossover Package M/S-2150 X M/S-2150 X Crossover Package Tact Audio Inc. 201 Gates Road Little Ferry, NJ 07643 V1.0 Tact Audio...

  • Page 38: Introduction Caution Caution

    Crossover Package 38 Tact Audio INTRODUCTION M/S-2150 X crossover filter (CRO) package is designed to support computer less digital filter design using only front panel display CRO menu option. The crossover filter design is based on infinite impulse response (IIR) implementation.
  • Page 39 The CRO package is designed for applications such as: Subwoofer CRO design Multi way loudspeaker design Menu CRO: Bypass 1: Preset #1 1 - Active CRO preset 2 - Available preset list. 3 - Preset edit control. M/S-2150 X EDIT Tact Audio...

  • Page 40: Editing Filters

    Crossover Package Editing CRO Preset Editing Filters 40 Tact Audio To edit CRO preset #1 scroll through field 2 until Preset #1 is displayed. Place cursor over EDIT (field 3) and then press ENTER button. The following screen will be displayed:...
  • Page 41 Measurement Figures 1 trough 6 show actual frequency response measurements of low-pass and high-pass filters with various cutoff frequency and filter order. These curves Samples are real measurements and not a result of a computer simulation. M/S-2150 X Tact Audio...
  • Page 42 Fig. 1 measurements L/R channel setup for LP-1 and HP-1 curves 42 Tact Audio Fig 1 Left/Right channel frequency response. Output signal level at –6 dB which is equivalent to 37.5 W into 8 Ohms or 70 W into 4 Ohms.
  • Page 43 EDIT Menu L: BUTT R: BUTT EDIT Left Channel Screen L: LO HO FL-Hz FH-Hz LP 5 -- 1000 ----- M/S-2150 X EDIT EDIT EDIT Right Channel Screen R: LO HO FL-Hz FH-Hz HP -- 5 ----- 1000 Tact Audio...
  • Page 44 Crossover Package Measurement Sample 3 44 Tact Audio CAUTION CAUTION Fig 3 Low-pass and High-pass crossover filters with cutoff frequency of 10 Hz and filter order from 1 to 10. Output signal level at –6 dB equivalent to 37.5 W into 8 Ohms or 70 W into 4 Ohms.
  • Page 45 Fig 4 Low-pass and High-pass crossover filters with cutoff frequency of 100 Hz and filter order from 1 to 10. Output signal level at –6 dB equivalent to 37.5 W into 8 Ohms or 70 W into 4 Ohms. M/S-2150 X Tact Audio...
  • Page 46 Crossover Package Measurement Sample 5 46 Tact Audio CAUTION CAUTION Fig 5 Low-pass and High-pass crossover filters with cutoff frequency of 1000 Hz and filter order from 1 to 10. Output signal level at –6 dB equivalent to 37.5 W into 8 Ohms or 70 W into 4 Ohms.
  • Page 47 Fig 6 Low-pass and High-pass crossover filters with cutoff frequency of 10 KHz and filter order from 1 to 10. Output signal level at –6 dB equivalent to 37.5 W into 8 Ohms or 70 W into 4 Ohms. M/S-2150 X Tact Audio...
  • Page 48 Crossover Package Example 1 48 Tact Audio Subwoofer COR Application Most high-end stereo configurations consist of two main loudspeakers covering frequencies form f up to 20,000 Hz, and two subwoofers covering bottom end of the spectrum below f . In most applications f unusual for f to extend all the way to around 300 Hz.
  • Page 49 SOURCE: L Amp#1 and Amp#2 DELAY menu LEFT RIGHT Right channel Amp#1 EDIT menu R: LO HO FL-Hz FH-Hz HP -- 10 ----- Right channel Amp#2 EDIT menu R: LO HO FL-Hz FH-Hz LP 10 -- 100 ----- Tact Audio...
  • Page 50 Crossover Package Example 1 50 Tact Audio CRO preset 2 (CRO- 2) for both amplifier is the same as preset 1 except that in preset 2 filter order for both Left and Right channel is set to 9. CRO preset 2 is shown in figure below.
  • Page 51 HP-2, HP-3, …,HP-10 represent Amp#1 Left/Right channel frequency response with HP-2 corresponding to CRO preset 1 (CRO –1 ) , HP-3 corresponding to CRO preset 2 (CRO –2) and the last filter HP-10 corresponds to CRO preset 9 (CRO-9). Tact Audio...
  • Page 52 Crossover Package Example 2 52 Tact Audio Vertical bi-amplification In this configuration M/S-2150 X amplifier labeled Amp#1 is connected to the main left and subwoofer left channel. Left channel of Amp#1 is connected to the left subwoofer and Amp#1 right channel is connected to the left main loudspeaker. M/ S-2150 X amplifier labeled Amp#2 is connected to the main right and subwoofer right channels.
  • Page 53 R: LO HO FL-Hz FH-Hz HP -- 9 ----- Right channel Amp#2 EDIT menu R: LO HO FL-Hz FH-Hz HP -- 9 ----- R: LO HO FL-Hz FH-Hz HP -- 1 ----- R: LO HO FL-Hz FH-Hz HP -- 1 ----- Tact Audio...
  • Page 54 Crossover Package 54 Tact Audio To summarize: All presets for Amp#1 are set to low-pass filter for left channel and to high-pass for right channel. Left channel cutoff frequency (LF-Hz) is set to 100 Hz and right channel cutoff frequency (HF-Hz) is set to 100 Amp#2 CRO presets are identical to Amp#1 CRO presets.
  • Page 55 2 (CRO –2) and the last filter LP-10 corresponds to CRO preset 9 (CRO-9). HP-2 corresponds to CRO preset 1 (CRO –1 ) , HP-3 corresponds to CRO preset 2 (CRO –2) and the last filter HP-10 corresponds to CRO preset 9 (CRO-9). Tact Audio...
  • Page 56 Crossover Package Example 3 56 Tact Audio Two-Way Loudspeaker System There are many advantages to using bi-amplification instead of the standard configuration, where one power amplifier is used to drive one loudspeaker with two or more drivers along with passive crossover networks. In the world of high-end audio in the last few years there has been constant increase in demand for sophisticated DSP based bi-amplification solution.
  • Page 57 M/S-2150 X Amp#2 InOut menu OUTPUT: L SOURCE: L Right channel Amp#1 EDIT menu R: LO HO FL-Hz FH-Hz LP 10 -- 1000 ----- Right channel Amp#2 EDIT menu R: LO HO FL-Hz FH-Hz HP -- 10 ----- 1000 Tact Audio...
  • Page 58 Crossover Package Example 3 58 Tact Audio To summarize: All the presets for Amp#1 are set to low-pass filter for both left and right channel with cutoff frequency (LF-Hz) of 1000 Hz and filter order (LO) going from LO=10 for preset 1 (CRO –1) to LO=1 for preset 9 (CRO-9).
  • Page 59 Crossover Package M/S-2150 X Tact Audio...
  • Page 60 TacT Audio, Inc. 201 Gates Road Unit G, Little Ferry – New Jersey 07643, USA Phone: +1 201 440 9300 – Fax: +1 201 440 5580 – Email: info@tactaudio.com www.tactaudio.com...

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